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The percentage of carbon and hydrogen in...

The percentage of carbon and hydrogen in an organic compound are 92.5 and 7.5. Determine the'molecular formula of the compound if its vapour density is 39.

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UNITED BOOK HOUSE-KALIDHAN INSTITUTION QUESTION PAPER-EXERCISE
  1. Calculate the value of universal gas constant in CGS unit.

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  2. Write the electronic configuration of oxygen molecule.

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  3. The percentage of carbon and hydrogen in an organic compound are 92.5 ...

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  4. An electron has a velocity of 300 ms^(-1) that is accurate to .001%. W...

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  5. The- mass of a proton and an electron are 1.67 xx 10^(-24) g and 9.11 ...

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  6. Define ionisation potential. State its change down a group.

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  7. Give one example of intramolecular hydroen bond. Explain why - KHF2 e...

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  8. Calculate the ratio of the values of average velocity, root mean squar...

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  9. Why does real gas deviate from ideal gas behaviour? Under what conditi...

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  10. Balance the equation by oxidation number method. K2Cr2O7 +FeSO4 + H2SO...

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  11. Explain why : Lithium is metal but it produces covalent compound.

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  12. Explain why :Why is KO2 paramagnetic in nature.

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  13. The DeltaH(fusion)^@ and Delta S(fusion)^@ of CCI4 are 2.5 KJ mol^(-1)...

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  14. 56 gm of N2 gas is expanded isothermally and reversibly from 2 litres ...

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  15. Determine the hybridisation of nitrogen in NO3 - ion. Why is carbon di...

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  16. What is mole? Establish the relation between amu and gm.

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  17. Show the number of unpaired electron in Co^(+3) ion. Is it paramagneti...

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  18. Name the element having atomic number 109 by IUPAC system, What is dia...

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  19. Explain the formation of BH4^-, from BH3.

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  20. A mixture of 4 gm of hydrogen and 16 gm of oxygen has a total pressure...

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